@misc{indiciae8db75f8b3b02,
  title = {Surficial geologic map of the northwestern quarter of the Tyonek A-4 Quadrangle, south-central Alaska},
  author = {H. R. Schmoll and L. A. Yehle},
  year = {1987},
  doi = {10.3133/mf1934},
  url = {https://pubs.usgs.gov/publication/mf1934},
  note = {Source identifier: mf1934}
}